SAN FERNANDO (CNS) – A Long Beach man was sentenced today to life in prison without the possibility of parole for killing a Cal State Northridge student from Saudi Arabia who had placed an online advertisement about a car he was trying to sell.

Agustin Rosendo Fernandez, now 30, was convicted June 9 of first-degree murder for the stabbing death of Abdullah Abdullatif Alkadi, whose body was discovered along a freeway in Palm Desert in 2014.

Los Angeles Superior Court Judge Hayden Zacky said Fernandez killed an innocent young student in a “planned and premeditated” attack, then “callously” disposed of the body.

His dumping of Alkadi’s body “shows a cold, callous and malicious heart,” Zacky said.

In addition to the murder conviction, jurors also found true the special circumstance allegations that the 23-year-old engineering student was murdered during the commission of a robbery and carjacking, along with an allegation that Fernandez used a knife as a deadly weapon.

The Los Angeles County District Attorney’s Office opted not to seek the death penalty against Fernandez.

Alkadi disappeared Sept. 17, 2014, from his home near the college campus. His body was found about a month later along Interstate 10 east of Cook Street, about 40 miles east of the Beaumont location where Alkadi’s cell phone had last been used just before being deactivated, authorities said.

Alkadi listed his 2011 Audi for sale in an online advertisement for

$36,500, and he agreed to sell the car to Fernandez for $35,000 after an initial meeting with him, according to a sentencing memorandum filed by Deputy District Attorney Cynthia Barnes.

“When the defendant went to pick up the Audi he killed Alkadi so he could keep both the Audi and the money,” the prosecutor wrote. “He was eventually arrested and confessed to the homicide.”

The car was found parked at Fernandez’ apartment in the 6800 block of Long Beach Boulevard, authorities said.

Fernandez has remained in jail since his arrest in October 2014.

Shortly after Fernandez was taken into custody, Los Angeles police Chief Charlie Beck cautioned the public to take precautions when placing or responding to online ads.

“The investigation determined that Agustin Fernandez killed Mr. Alkadi in an attempt to keep both the Audi and the purchase price,” the police chief said. “The message for the public here is that you have to beware when using online Internet sites to sell anything. Craigslist, eBay, all the other opportunities for sales are also opportunities to let unwanted people into your lives.”